<?php

class Image_Png extends Image {
	
  public function __construct($map=array()) {
	parent::__construct($map);
	$this->extension = "png";
    $this->mime = "image/png";
	$this->file =  $this->id_image . "_original." . $this->extension;
	
  }

  public function getExtension(){
	  return $this->extension;
  }
  
  public function getMime(){
	  return $this->mime;
  }
  
  public function getFile(){
	  return $this->file;
  }
 
}

?>